Senior O&M Technician – Photovoltaic & Battery Systems

About the role

METLEN Energy & Metals is seeking a Senior Technician to lead Operation & Maintenance (O&M) activities for photovoltaic (PV) and Battery Energy Storage System (BESS) installations. You will ensure optimal performance, reliability, and safety of solar and battery assets across multiple sites.

Key responsibilities

• Monitor PV and BESS performance using remote monitoring platforms and on‑site inspections.
• Analyse production data, identify deviations, and conduct root‑cause analysis.
• Develop and execute preventive maintenance schedules in line with client O&M contracts.
• Diagnose and repair electrical, mechanical, and control issues on inverters, transformers, switchgear and related equipment.
• Identify and implement system optimisation measures, including hardware and software upgrades.
• Ensure compliance with health, safety, environmental regulations and international standards (IEC, NEC).
• Maintain accurate reporting of maintenance actions, performance metrics and safety procedures.

Required profile

• Proven experience in O&M of large‑scale PV and BESS projects.
• Strong knowledge of high‑voltage electrical systems and safety protocols.
• Ability to work independently, coordinate with site engineers, subcontractors and O&M supervisors.
• Familiarity with IEC and NEC standards for renewable energy installations.

Required skills

• Remote monitoring systems
• Electrical diagnostics and troubleshooting
• Mechanical diagnostics and repair
• Inverter, transformer and switchgear maintenance
• Control system troubleshooting
• Lockout/Tagout procedures
• IEC standards
• NEC standards

What we offer

• Opportunity to work on cutting‑edge renewable energy projects.
• Dynamic, multicultural environment focused on sustainability.
• Career development within a global industrial leader.